| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license |
| * agreements. See the NOTICE file distributed with this work for additional information regarding |
| * copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance with the License. You may obtain a |
| * copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software distributed under the License |
| * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
| * or implied. See the License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package org.apache.geode.management; |
| |
| import java.beans.ConstructorProperties; |
| import java.io.Serializable; |
| |
| |
| |
| /** |
| * Composite data type used to distribute metrics for the JVM running a GemFire member. |
| * |
| * @since GemFire 7.0 |
| * |
| */ |
| public class JVMMetrics implements Serializable { |
| |
| /** |
| * Number of GCs performed |
| */ |
| private long gcCount; |
| |
| /** |
| * Total gc time in milliseconds |
| */ |
| private long gcTimeMillis; |
| |
| /** |
| * Initial memory the vm requested from the operating system for this area in bytes |
| */ |
| private long initMemory; |
| |
| /** |
| * The amount of used memory for this area, measured in bytes |
| */ |
| private long committedMemory; |
| |
| /** |
| * The amount of used memory for this area, measured in bytes |
| */ |
| private long usedMemory; |
| |
| /** |
| * represents the maximum amount of memory (in bytes) that can be used for memory management |
| */ |
| private long maxMemory; |
| |
| /** |
| * Total number of threads |
| */ |
| private int totalThreads; |
| |
| /** |
| * This constructor is to be used by internal JMX framework only. User should not try to create an |
| * instance of this class. |
| */ |
| @ConstructorProperties({"gcCount", "gcTimeMillis", "initMemory", "committedMemory", "usedMemory", |
| "maxMemory", "totalThreads"}) |
| public JVMMetrics(long gcCount, long gcTimeMillis, long initMemory, long committedMemory, |
| long usedMemory, long maxMemory, int totalThreads) { |
| this.gcCount = gcCount; |
| this.gcTimeMillis = gcTimeMillis; |
| this.initMemory = initMemory; |
| this.committedMemory = committedMemory; |
| this.usedMemory = usedMemory; |
| this.maxMemory = maxMemory; |
| this.totalThreads = totalThreads; |
| } |
| |
| /** |
| * Returns the number of times garbage collection has occurred. |
| */ |
| public long getGcCount() { |
| return gcCount; |
| } |
| |
| /** |
| * Returns the amount of time (in milliseconds) spent on garbage collection. |
| */ |
| public long getGcTimeMillis() { |
| return gcTimeMillis; |
| } |
| |
| /** |
| * Returns the initial number of megabytes of memory requested from the operating system. |
| */ |
| public long getInitMemory() { |
| return initMemory; |
| } |
| |
| /** |
| * Returns the current number of megabytes of memory allocated. |
| */ |
| public long getCommittedMemory() { |
| return committedMemory; |
| } |
| |
| /** |
| * Returns the current number of megabytes of memory being used. |
| */ |
| public long getUsedMemory() { |
| return usedMemory; |
| } |
| |
| /** |
| * Returns the maximum number of megabytes of memory available from the operating system. |
| */ |
| public long getMaxMemory() { |
| return maxMemory; |
| } |
| |
| /** |
| * Returns the number of threads in use. |
| */ |
| public int getTotalThreads() { |
| return totalThreads; |
| } |
| |
| /** |
| * String representation of JVMMetrics |
| */ |
| @Override |
| public String toString() { |
| return "{JVMMetrics : gcCount = " + gcCount + " gcTimeMillis = " + gcTimeMillis |
| + " initMemory = " + initMemory + " committedMemory = " + committedMemory + " usedMemory = " |
| + usedMemory + " maxMemory = " + maxMemory + " totalThreads = " + totalThreads + "}"; |
| } |
| } |